I need to know cwhen to take my fantail out of the pond its in 50s at night here pleasee helpppppppppppppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

The koi rules are to stop feeding at 50F. There is no low temperature limit, other than the pond should not be completely frozen over (to allow oxygen to absorb and other gasses to vent).

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Goldfish can survive in ponds in the northern US and Canada as long as the water is deep enough that the pond can't freeze completely. This usually requires that the pond be in-ground and at least a few feet deep.

Your pond doesn't sound as though it will be larger enough for them if the temperature gets below freezing, but they might be okay if the water doesn't. Below 50-55o F, they'll stop feeding, and you should prepare them for the winter by feeding a different food if you plant to keep them outside.

These fish WILL get sick if they're left out when the temperatures go down to freezing. They'll get swim bladder disorder and usually fungal infections, so the fantail needs to be brought inside, right about now :/

These fish WILL get sick if they're left out when the temperatures go down to freezing. They'll get swim bladder disorder and usually fungal infections, so the fantail needs to be brought inside, right about now :/